Calgary's Trusted HVAC Contractor

Heating & Cooling
Done Right

Expert furnace, air conditioning, and ductwork services for Calgary homes and businesses. Licensed, reliable, and built on quality workmanship.

Free Estimate Our Services
Lennox
Authorized Installer
Res + Com
Residential & Commercial
Licensed
City of Calgary Certified
Mon–Fri
9 AM – 5:30 PM
What We Do

Full-Service HVAC for Calgary

From new installs to emergency repairs, Marcus Mechanical keeps your home comfortable through every Alberta season.

Furnace Installation

High-efficiency Lennox and Goodman furnaces sized for Calgary winters. We assess your home, recommend the right unit, and handle the full install.

Air Conditioning

Beat Calgary's summer heat with a properly sized central AC system. We install Lennox and Armstrong Air units with expert ductwork integration.

Ductwork

Custom duct design, installation, and modification for new builds and renovations. Properly sealed and insulated for maximum airflow efficiency.

Repairs & Maintenance

Fast, dependable heating and cooling repairs across all major brands. Regular maintenance plans to keep your system running at peak performance.

Water Heaters

Installation and servicing of tank and tankless water heaters. We help you choose the right system for your household's hot water needs.

Commercial HVAC

Full mechanical services for offices, retail, and multi-unit buildings. From rooftop units to split systems, we handle commercial-scale projects.

Lennox central air conditioning unit professionally installed outside a Calgary home

Calgary's Climate Demands Quality

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Why Marcus Mechanical

Built on Quality Workmanship

We don't cut corners. Every install is done to code, every repair is done right the first time.

01

Licensed & Insured

Fully licensed trade contractor with the City of Calgary. Every job is backed by proper insurance and warranty coverage.

02

Top-Tier Brands

We install Lennox, Goodman, and Armstrong Air — trusted names in heating and cooling with industry-leading warranties.

03

Residential & Commercial

From single-family homes in Forest Heights to commercial buildings across SE Calgary — we handle projects of every scale.

04

Honest Assessments

We'll tell you if your system needs a repair or a replacement — never upselling, always giving you the straight answer.

Our Work

Recent Installations

Real projects completed for Calgary homeowners and businesses.

Complete mechanical room installation with furnace, water softener, and full ductwork system in a Calgary home
Full Mechanical Room Install
Lennox high-efficiency furnace installed in a new construction home with custom ductwork
New Construction Furnace
Armstrong Air central air conditioning condenser unit installed outside a Calgary residence
AC Condenser Installation
Lennox AC unit professionally installed on a concrete pad beside a Calgary home
Lennox AC Install
Dual Goodman furnaces with water heater and extensive ductwork in a Calgary basement
Dual Furnace + Water Heater
Service Area

Serving All of Calgary

Based in SE Calgary, Marcus Mechanical serves homes and businesses across the city.

Forest Heights Forest Lawn Dover Penbrooke Meadows Marlborough Ogden Lynnwood Inglewood Ramsay Riverbend Cranston McKenzie Towne Auburn Bay Downtown Calgary NE Calgary NW Calgary
Frequently Asked Questions

Common HVAC Questions

Quick answers to what Calgary homeowners ask us most.

Most furnaces in Calgary last 15–20 years. If yours is over 15 years old, requires frequent repairs, or your heating bills are climbing steadily, it may be time for a replacement. We'll assess your system honestly and recommend the most cost-effective option — repair or replace.
Absolutely. Calgary summers regularly hit 30°C and above, and wildfire smoke seasons make it uncomfortable to rely on open windows. A central AC system keeps your home cool and your indoor air quality high. We install systems sized specifically for Calgary's climate.
We install and service leading HVAC brands including Lennox, Goodman, and Armstrong Air. These brands offer excellent efficiency ratings, strong warranties, and parts availability in Alberta. We'll help you pick the right one for your home and budget.
Yes. We handle both residential and commercial HVAC work across Calgary — from single-family homes to multi-unit buildings, offices, and retail spaces. Call us to discuss your commercial project.
Signs include uneven heating or cooling between rooms, excessive dust, unusual noises from your vents, or visible damage to duct connections. Old, poorly sealed ductwork can waste 20–30% of your heating energy. We can inspect and recommend whether repair or replacement makes sense.

Ready to Upgrade Your Comfort?

Whether it's a new furnace, an AC install, or a repair that can't wait — give us a call. Free estimates, honest advice, quality work.

(587) 973-1595
Get In Touch

Contact Marcus Mechanical

We're based in SE Calgary and serve the entire city.

Phone

(587) 973-1595

Call for estimates & service

Address

2024 47 St SE
Calgary, AB T2B 1L3

Hours

Monday – Friday
9:00 AM – 5:30 PM
Sat & Sun: Closed